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90139: Chronic Urticaria Panel 3 Print View
IgE Ab (Anti-IgE IgG)   < 168  ng/mL 
Histamine Release   < 16  % 

PRIMARY
1 Serum 1.5 (1) mL   Room Temperature - 7 Day(s)/Refrigerated - 7 Day(s)/Frozen - 28 Day(s)  
ALTERNATE

Patients with a chronic form of urticaria who are positive with the functional Histamine Release (Chronic Urticaria) test have an autoimmune basis for their disease. A positive result does not indicate which autoantibody (anti-IgE or anti-Fc epsilon RI alpha chain) is present. A positive anti-IgE antibody does not exclude the presence of anti-Fc epsilon RI alpha chain antibody.

1.5 mL red-top (no gel) serum
Serum should be separated from the cells as soon as possible after
visible clot formation (usually 15-30 minutes after collection).

Overnight fasting is preferred.

Patients taking calcineurin inhibitors should stop their medication
for 72 hours prior to draw.


Reject Criteria: Moderate and gross hemolysis; gross lipemia; gross
icterus; heavy visible particulate matter; sample other than serum;
SST tubes


Transport Temperature: Room temperature / Okay to thaw
Setup Schedule
Monday, Tuesday, Thursday

Reported (Analytical Time)
Next day

CPT Codes
83520,86343

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Includes: IgE Antibody (Anti-IgE IgG) *Histamine Release (Chronic Urticaria) METHODOLOGY: Cell Culture, Immunoassay






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